Cheap flights from Ohio to Los Angeles from $96

In general, January is the cheapest month to fly from Ohio to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $374. If you aren’t able to travel during the month of January, then book flights to Ontario from Ohio during February instead. Flights to Ontario in February, while not as cheap as those in January, still average around $405.

You are more likely to see cheaper flights to Ontario from Ohio when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $441 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Ohio for as low as $336 on momondo.

Frontier, Delta, and Southwest are the most popular carriers operating from Ohio to Ontario

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Ohio according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

As of November 2026, 1 flights take off from Ohio and land in Ontario each week. The most common flight departure day for this route is Wed, with 100% of weekly flights taking off on this day.

Average flight duration from Ohio to Ontario depends on which airport you fly into and out of. Flying from Cincinnati to Los Angeles is 4h 52m on average, while flying from Columbus to Los Angeles is 5h 05m on average. Los Angeles is the most popular airport in Ontario.